Recurrent vs Redundant - What's the difference?

As adjectives the difference between recurrent and redundant

is that recurrent is recurrent; recurring while redundant is superfluous; exceeding what is necessary.

(wikipedia recurrent) (-)

Recurring time after time.

The patient complained of recurrent chest pain.

(mathematics, stochastic processes, of a state) non-transient.

Running back toward its origin.

a recurrent nerve or artery

* (math) persistent

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(en adjective)

Superfluous; exceeding what is necessary.

Repetitive or needlessly wordy.

(chiefly, British) Dismissed from employment because no longer needed; as in "rendered redundant".

Duplicating or able to duplicate the function of another component of a system, providing back-up in the event the other component fails.

* 2013 , Tom Denton, Automobile Electrical and Electronic Systems , page 142:

The two lines are mainly used for redundant and therefore fault-tolerant message transmission, but they can also transmit different messages.

* non-redundant

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